1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// int compare(const basic_string& str) const
#include <string>
#include <cassert>
int sign(int x)
{
if (x == 0)
return 0;
if (x < 0)
return -1;
return 1;
}
template <class S>
void
test(const S& s, const S& str, int x)
{
assert(sign(s.compare(str)) == sign(x));
}
typedef std::string S;
int main()
{
test(S(""), S(""), 0);
test(S(""), S("abcde"), -5);
test(S(""), S("abcdefghij"), -10);
test(S(""), S("abcdefghijklmnopqrst"), -20);
test(S("abcde"), S(""), 5);
test(S("abcde"), S("abcde"), 0);
test(S("abcde"), S("abcdefghij"), -5);
test(S("abcde"), S("abcdefghijklmnopqrst"), -15);
test(S("abcdefghij"), S(""), 10);
test(S("abcdefghij"), S("abcde"), 5);
test(S("abcdefghij"), S("abcdefghij"), 0);
test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10);
test(S("abcdefghijklmnopqrst"), S(""), 20);
test(S("abcdefghijklmnopqrst"), S("abcde"), 15);
test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10);
test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0);
}
|
